/Engine/Source/Runtime/CoreUObject/Public/UObject/LinkerInstancingContext.h
Return the instanced package name for a given instanced outer package and an object package name
static [FString](API\Runtime\Core\Containers\FString) GetInstancedPackageName ( const [FString](API\Runtime\Core\Containers\FString) & InOuterPackageName, const [FString](API\Runtime\Core\Containers\FString) & InPackageName )